{"id":9947,"date":"2019-05-13T06:15:46","date_gmt":"2019-05-12T21:15:46","guid":{"rendered":"https:\/\/www.suzukikenichi.com\/blog\/?p=9947"},"modified":"2019-06-05T05:54:53","modified_gmt":"2019-06-04T20:54:53","slug":"googlebots-rendering-engine-updated","status":"publish","type":"post","link":"https:\/\/www.suzukikenichi.com\/blog\/googlebots-rendering-engine-updated\/","title":{"rendered":"Googlebot\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30a8\u30f3\u30b8\u30f3\u304c\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3001\u6700\u65b0\u306eChrome\u306b\u5e38\u306b\u5bfe\u5fdc #IO19"},"content":{"rendered":"<p><span class=\"b\"><\/p>\n<p class=\"p20-b al-r small\">[\u30ec\u30d9\u30eb: \u4e0a\u7d1a]<\/p>\n<p>Googlebot \u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30a8\u30f3\u30b8\u30f3\u3001\u6280\u8853\u7684\u306a\u540d\u79f0\u3067\u547c\u3079\u3070 Web Rendering Service\uff08\u30a6\u30a7\u30d6 \u30ec\u30f3\u30c0\u30ea\u30f3\u30b0 \u30b5\u30fc\u30d3\u30b9\uff09\u3092\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u305f\u3053\u3068\u3092<a href=\"https:\/\/webmasters.googleblog.com\/2019\/05\/the-new-evergreen-googlebot.html\">\u30a6\u30a7\u30d6\u30de\u30b9\u30bf\u30fc\u5411\u3051\u516c\u5f0f\u30d6\u30ed\u30b0\u3067 Google \u306f\u30a2\u30ca\u30a6\u30f3\u30b9<\/a>\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>Web Rendering Service \u3092\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u305f\u30cb\u30e5\u30fc\u30b9\u306f\u3001\u7c73\u30de\u30a6\u30f3\u30c6\u30f3\u30d3\u30e5\u30fc\u3067\u5148\u9031\u958b\u50ac\u3055\u308c\u305f <a href=\"https:\/\/events.google.com\/io\/\">Google I\/O<\/a> 2019 \u3067\u3001JavaScript \u306e SEO \u3092\u30c6\u30fc\u30de\u306b\u3057\u305f\u30bb\u30c3\u30b7\u30e7\u30f3\u3067\u7d39\u4ecb\u3055\u308c\u3001\u52a0\u3048\u3066\u307b\u304b\u306e\u3044\u304f\u3064\u304b\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u3067\u3082\u8a00\u53ca\u3055\u308c\u307e\u3057\u305f\u3002<br \/>\u73fe\u5730\u3067\u5f97\u305f\u60c5\u5831\u3082\u4ea4\u3048\u3066\u3001\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<div class=\"p60-b\"><img loading=\"lazy\" decoding=\"async\" itemprop=\"image\" class=\"bdr\" src=\"https:\/\/www.suzukikenichi.com\/images\/martin-and-zoe-io19.jpg\" alt=\"Martin and Zoe at Google I\/O 2019\" width=\"2966\" height=\"2231\" \/><\/div>\n<h2>\u6700\u65b0\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30a8\u30f3\u30b8\u30f3\u3092\u5e38\u306b\u642d\u8f09<\/h2>\n<p>\u3053\u308c\u307e\u3067\u306e\u30a6\u30a7\u30d6 \u30ec\u30f3\u30c0\u30ea\u30f3\u30b0 \u30b5\u30fc\u30d3\u30b9\uff08\u4ee5\u4e0b\u3001WRS\uff09\u306f\u3001<a href=\"https:\/\/www.suzukikenichi.com\/blog\/googlebot-uses-a-web-rendering-service-that-is-based-on-chrome-41\/\">Chrome 41 \u76f8\u5f53\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6027\u80fd<\/a>\u3067\u3057\u305f\u3002<br \/>Chrome 41 \u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305f\u306e\u306f 2015 \u5e74\u3067\u3059\u3002<br \/>3\u5e74\u304c\u7d4c\u904e\u3057\u305f\u305f\u3081\u73fe\u5728\u4f7f\u308f\u308c\u3066\u3044\u308b JavaScript \u306e\u3055\u307e\u3056\u307e\u306a\u6a5f\u80fd\u3092\u30b5\u30dd\u30fc\u30c8\u3067\u304d\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<p>\u66f4\u65b0\u3055\u308c\u305f WRS \u306f\u3001Chrome 74 \u76f8\u5f53\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3092\u642d\u8f09\u3057\u3066\u3044\u307e\u3059\u3002<br \/>Chrome 74 \u306f\u73fe\u6642\u70b9\u3067\u306e\u6700\u65b0\u7248\u3067\u3059\u3002<br \/>\u3059\u306a\u308f\u3061\u3001\u6700\u65b0\u306e JavaScript \u6280\u8853\u3092\u30b5\u30dd\u30fc\u30c8\u3067\u304d\u3066\u3044\u307e\u3059\u3002<\/p>\n<p class=\"p40-b\">\u3057\u304b\u3057 Chrome 74 \u306e\u307e\u307e\u3067\u56fa\u5b9a\u3055\u308c\u3066\u3044\u305f\u3089\u3001\u307e\u305f\u4eca\u307e\u3067\u3068\u540c\u3058\u3088\u3046\u306b\u3053\u308c\u304b\u3089\u51fa\u3066\u304f\u308b\u65b0\u3057\u3044\u6280\u8853\u3092\u30b5\u30dd\u30fc\u30c8\u3067\u304d\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<br \/>\u305d\u3053\u3067\u3001\u4eca\u5f8c <mark>WRS \u306f\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u7d99\u7d9a<\/mark>\u3057\u3066\u3044\u304d\u307e\u3059\u3002<br \/>\u65b0\u3057\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306e Chrome \u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u308b\u3068\u3001\u305d\u308c\u306b\u5408\u308f\u305b\u3066 WRS \u3082\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u307e\u3059\u3002<br \/>\u3057\u305f\u304c\u3063\u3066\u3001\u6700\u65b0\u7248\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30a8\u30f3\u30b8\u30f3\u3092\u5e38\u306b\u642d\u8f09\u3059\u308b\u4ed5\u69d8\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<h2>\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u6280\u8853<\/h2>\n<p>\u65b0 WRS \u306f 1000 \u4ee5\u4e0a\u306e\u6280\u8853\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<br \/>\u305f\u3068\u3048\u3070\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u3067\u3059\u3002<\/p>\n<ul>\n<li>ES6<\/li>\n<li>LazyLoad\uff08\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\uff09\u3067\u5229\u7528\u3059\u308b <a href=\"https:\/\/developers.google.com\/web\/fundamentals\/performance\/lazy-loading-guidance\/images-and-video\/#lazy_loading_images\"><code>IntersectionObserver<\/code><\/a><\/li>\n<li><a href=\"https:\/\/developers.google.com\/web\/fundamentals\/web-components\/\">Web Components v1 \u306e\u5404\u7a2e API<\/a><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" itemprop=\"image\" class=\"bdr\" src=\"https:\/\/www.suzukikenichi.com\/images\/comparison-prev-wrs-and-new-wrs.png\" alt=\"\u65b0\u65e7 WRS \u6bd4\u8f03\" width=\"878\" height=\"576\" \/><br \/>\n<span class=\"al-r small\">[Image credit: <a href=\"https:\/\/twitter.com\/g33konaut\/status\/1126412496754159616\/\">Matin Splitt<\/a>]<\/span><\/p>\n<p class=\"p40-t p40-b\">\u3053\u3053\u307e\u3067\u306f\u3001\u516c\u5f0f\u30a2\u30ca\u30a6\u30f3\u30b9\u306b\u3082\u3057\u3063\u304b\u308a\u3068\u66f8\u304b\u308c\u3066\u3044\u308b\u3053\u3068\u3067\u3059\u3002<br \/>\u3053\u3053\u304b\u3089\u306f\u3001I\/O \u3067\u805e\u3044\u3066\u304d\u305f\u8ffd\u52a0\u306e\u60c5\u5831\u3082\u4ea4\u3048\u307e\u3059\u3002<\/p>\n<h2>\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30a8\u30f3\u30b8\u30f3\u306e\u66f4\u65b0\u9593\u9694<\/h2>\n<p>\u65b0\u3057\u3044 Chrome \u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u308b\u3068\uff08\u3053\u3053\u3067\u306e Chrome \u306f\u5b89\u5b9a\u7248\uff09\u3001\u305d\u308c\u306b\u3068\u3082\u306a\u3063\u3066 WRS \u3082\u66f4\u65b0\u3055\u308c\u308b\u3053\u3068\u306f\u5148\u306b\u8aac\u660e\u3057\u305f\u3068\u304a\u308a\u3067\u3059\u3002<br \/>\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\u3057\u305f Chrome \u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305f\u3042\u3068 WRS \u304c\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3055\u308c\u308b\u307e\u3067\u306b\u306f\u3069\u306e\u304f\u3089\u3044\u306e\u6642\u9593\u304c\u304b\u304b\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>2 \u301c 3 \u9031\u9593 (a few weeks) \u3068\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<p class=\"p40-b\">\u540c\u6642\u3058\u3083\u306a\u3044\u306e\uff1f \u3068\u601d\u3046\u4eba\u3082\u3044\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u4eba\u9593\u306e\u30e6\u30fc\u30b6\u30fc\u3067\u3082\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u3066\u5373\u5ea7\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u306a\u3044\u4eba\u306f\u666e\u901a\u306b\u3044\u308b\u3067\u3057\u3087\u3046\u3057\u3001\u6700\u65b0\u30d0\u30fc\u30b8\u30e7\u30f3\u306e Chrome \u3067\u30b5\u30dd\u30fc\u30c8\u304c\u59cb\u307e\u3063\u305f\u3070\u304b\u308a\u306e\u65b0\u3057\u3044\u6a5f\u80fd\u3092\u3059\u3050\u306b\u5927\u3005\u7684\u306b\u5229\u7528\u3059\u308b\u30b5\u30a4\u30c8\u306f\u7a00\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<br \/>\u305d\u3046\u8003\u3048\u308b\u3068\u30012 \u301c 3 \u9031\u9593\u306f\u3055\u307b\u3069\u554f\u984c\u306b\u306a\u3089\u306a\u3044\u3088\u3046\u306b\u611f\u3058\u307e\u3059\u3002<br \/>\u3080\u3057\u308d\u3001\u305d\u3093\u306a\u306b\u77ed\u6642\u9593\u3067\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u3066\u3082\u3089\u3048\u308b\u306e\u304b\u3068\u8003\u3048\u3066\u3082\u3044\u3044\u304f\u3089\u3044\u3067\u3059\u3002<\/p>\n<h2 id=\"delay\">JS \u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u9045\u5ef6\u306f\u4f9d\u7136\u3068\u3057\u3066\u6b8b\u308b<\/h2>\n<p>\u30da\u30fc\u30b8\u306e\u30af\u30ed\u30fc\u30eb\u3068\u3001\u305d\u306e\u30da\u30fc\u30b8\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b JavaScript \u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306f<a href=\"https:\/\/www.suzukikenichi.com\/blog\/adding-noindex-tag-with-javascript-isnt-recommended\/#second-wave\">\u5225\u30d7\u30ed\u30bb\u30b9\u3067\u5b9f\u884c<\/a>\u3055\u308c\u307e\u3059\u3002<br \/>\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u306b\u306f\u3001\u6570\u65e5\u304b\u3089\u6570\u9031\u9593\u304b\u304b\u308b\u3053\u3068\u3059\u3089\u3042\u308a\u307e\u3059\u3002<br \/>\u305d\u306e\u305f\u3081\u3001JavaScript\u3067\u751f\u6210\u3059\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u304c\u691c\u7d22\u7d50\u679c\u306b\u53cd\u6620\u3055\u308c\u308b\u306b\u306f\u3088\u308a\u9577\u3044\u6642\u9593\u304c\u5fc5\u8981\u306a\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>WRS \u304c\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u3066\u3082\u3053\u306e 2 \u6bb5\u968e\u306e\u30d7\u30ed\u30bb\u30b9\u306b\u5909\u5316\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\u3064\u307e\u308a\u3001<mark>JavaScript \u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306b\u306f\u4f9d\u7136\u3068\u3057\u3066\u6642\u9593\u304c\u304b\u304b\u308a\u307e\u3059<\/mark>\u3002<\/p>\n<div class=\"p40-b\">\n<blockquote class=\"twitter-tweet\" data-lang=\"ja\">\n<p lang=\"en\" dir=\"ltr\">There is still a delay&#8230;but more than 1000 new features are supported now!<\/p>\n<p>&mdash; Martin Splitt @ &#x1f51c;&#x1f1e8;&#x1f1ed;&#x1f3e1; (@g33konaut) <a href=\"https:\/\/twitter.com\/g33konaut\/status\/1125856557537697792?ref_src=twsrc%5Etfw\">2019\u5e745\u67087\u65e5<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/div>\n<h2>Chrome \u3068\u307e\u3063\u305f\u304f\u540c\u3058\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6027\u80fd\u3067\u306f\u306a\u3044<\/h2>\n<p>\u73fe\u6642\u70b9\u3067 Chrome 74 \u76f8\u5f53\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30a8\u30f3\u30b8\u30f3\u3092 WRS \u306f\u6301\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u5b8c\u5168\u306b\u540c\u3058\u3068\u3044\u3046\u3053\u3068\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\u305f\u3068\u3048\u3070\u3001\u6b21\u306e\u3088\u3046\u306a\u6280\u8853\u306f\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<ul>\n<li>IndexedDB<\/li>\n<li>Service Worker<\/li>\n<li>WebGL<\/li>\n<li>WebSocket<\/li>\n<\/ul>\n<p class=\"p40-b\">WRS \u304c\u30b5\u30dd\u30fc\u30c8\u3057\u306a\u3044\u6a5f\u80fd\u306e\u5bfe\u51e6\u306b\u3064\u3044\u3066\u306f<a href=\"https:\/\/developers.google.com\/search\/docs\/guides\/fix-search-javascript\">\u958b\u767a\u8005\u5411\u3051\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2 id=\"tools-unupdated\">URL \u691c\u67fb\u30c4\u30fc\u30eb\u3084 MFT \u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30a8\u30f3\u30b8\u30f3\u306f\u672a\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8<\/h2>\n<p>WRS \u304c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u305f HTML \u30b3\u30fc\u30c9\u3092\u6b21\u306e\u30c4\u30fc\u30eb\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>URL \u691c\u67fb\u30c4\u30fc\u30eb\u306e\u30e9\u30a4\u30d6\u30c6\u30b9\u30c8<\/li>\n<li>\u30e2\u30d0\u30a4\u30eb\u30d5\u30ec\u30f3\u30c9\u30ea\u30fc \u30c6\u30b9\u30c8 \u30c4\u30fc\u30eb<\/li>\n<li>\u30ea\u30c3\u30c1\u30ea\u30b6\u30eb\u30c8 \u30c6\u30b9\u30c8 \u30c4\u30fc\u30eb<\/li>\n<\/ul>\n<p><mark>\u3053\u308c\u3089\u306e\u30c4\u30fc\u30eb\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30a8\u30f3\u30b8\u30f3\u306f\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u305b\u3093<\/mark>\u3002<br \/>\u3064\u307e\u308a\u3001\u4f9d\u7136\u3068\u3057\u3066 Chrome 41 \u76f8\u5f53\u3067\u3059\u3002<\/p>\n<p>\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306e\u4e88\u5b9a\u306f\u5f53\u7136\u3042\u308a\u307e\u3059\u304c\u3001\u5177\u4f53\u7684\u306a\u4e88\u5b9a\u306f\u308f\u304b\u308a\u307e\u305b\u3093\u3002<\/p>\n<p class=\"p40-b\">JavaScript \u30a8\u30e9\u30fc\u306e\u691c\u8a3c\u306b\u30c4\u30fc\u30eb\u3092\u5229\u7528\u3059\u308b\u3068\u304d\u306f\u3001\u305d\u306e\u30a8\u30e9\u30fc\u304c Chrome 41 \u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u6a5f\u80fd\u306b\u8d77\u56e0\u3059\u308b\u3082\u306e\u304b\u3069\u3046\u304b\u3092\u614e\u91cd\u306b\u898b\u6975\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>Googlebot \u306e UA \u306f\u305d\u306e\u307e\u307e<\/h2>\n<p>Googlebot \u306e User Agent\uff08\u30e6\u30fc\u30b6\u30fc \u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\uff09\u306f\u5909\u66f4\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\u3044\u305a\u308c\u5909\u66f4\u3059\u308b\u3064\u3082\u308a\u3067\u3059\u304c\u3001\u5f53\u9762\u306f\u73fe\u884c\u306e UA \u3092\u4fdd\u6301\u3057\u307e\u3059\u3002<\/p>\n<p class=\"p40-b\">UA \u306e\u6587\u5b57\u5217\u3067\u5224\u65ad\u3057\u3066\u3044\u308b\u30b7\u30b9\u30c6\u30e0\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u305a\u3001UA \u3092\u7a81\u7136\u5909\u3048\u3066\u3057\u307e\u3046\u3068\u3001\u305d\u306e\u30b7\u30b9\u30c6\u30e0\u304c\u6b63\u5e38\u306b\u6a5f\u80fd\u3057\u306a\u304f\u306a\u308b\u6050\u308c\u304c\u3042\u308b\u304b\u3089\u3067\u3059\u3002<br \/>UA \u3092\u5909\u66f4\u3059\u308b\u5834\u5408\u306f\u4e8b\u524d\u306b\u30a2\u30ca\u30a6\u30f3\u30b9\u3057\u307e\u3059\u3002<\/p>\n<h2>SSR \u3084\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306f\u3082\u3046\u4e0d\u8981\uff1f<\/h2>\n<p>WRS \u304c\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u3066\u6700\u65b0\u306e JavaScript \u6280\u8853\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3057\u305f\u3002<br \/>Server Side Rendering\uff08\u30b5\u30fc\u30d0\u30fc \u30b5\u30a4\u30c9 \u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\uff09\u3084<a href=\"https:\/\/www.suzukikenichi.com\/blog\/google-offcially-supports-dynamic-rendering\/\">\u30c0\u30a4\u30ca\u30df\u30c3\u30af \u30ec\u30f3\u30c0\u30ea\u30f3\u30b0<\/a>\u306f\u3082\u3046\u5229\u7528\u3059\u308b\u5fc5\u8981\u304c\u306a\u3044\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<p>\u305d\u3093\u306a\u3053\u3068\u306f\u306a\u304f\u3001SSR \u3082\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3082\u4f9d\u7136\u3068\u3057\u3066\u5229\u7528\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3059\u3067\u306b\u8ff0\u3079\u305f\u3088\u3046\u306b JavaScript \u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306b\u306f\u6642\u9593\u304c\u304b\u304b\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\u5373\u6642\u6027\u304c\u91cd\u8981\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u306a\u3089\u3001WRS \u5074\u3067\u306e JS \u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u304c\u4e0d\u8981\u306a SSR \u3084\u30c0\u30a4\u30ca\u30df\u30c3\u30af \u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u30b9\u30d4\u30fc\u30c9\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001SSR \u306b\u304a\u3044\u3066\u306f\u30e6\u30fc\u30b6\u30fc\u8996\u70b9\u3067\u3082\u9ad8\u901f\u5316\u306e\u30e1\u30ea\u30c3\u30c8\u3082\u3042\u308a\u307e\u3059\u3002<br \/>\u30d6\u30e9\u30a6\u30b6\u3067\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u306a\u304f\u3066\u6e08\u3080\u306e\u3067\u8868\u793a\u901f\u5ea6\u304c\u901f\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001\u30a6\u30a7\u30d6\u3092\u30af\u30ed\u30fc\u30eb\u3057\u3066\u3044\u308b\u306e\u306f Googlebot \u3060\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/>\u307b\u304b\u306e\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u3084\u30bd\u30fc\u30b7\u30e3\u30eb\u30e1\u30c7\u30a3\u30a2\u306e\u30af\u30ed\u30fc\u30e9\u306f Googlebot \u307b\u3069\u306b\u306f\u9ad8\u6027\u80fd\u306a\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30a8\u30f3\u30b8\u30f3\u3092\u642d\u8f09\u3057\u3066\u3044\u307e\u305b\u3093\u3002<br \/>Google \u4ee5\u5916\u306e\u30af\u30ed\u30fc\u30e9\u306b\u306f\u3001SSR \u304a\u3088\u3073\u30c0\u30a4\u30ca\u30df\u30c3\u30af \u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306f\u624b\u52a9\u3051\u306b\u306a\u308b\u6280\u8853\u3067\u3059\u3002<\/p>\n<p class=\"p40-b\">\u203b\u9234\u6728\u88dc\u8db3: SSR \u3068\u30c0\u30a4\u30ca\u30df\u30c3\u30af \u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u3069\u3061\u3089\u304c\u3044\u3044\u306e\u304b\uff1f \u3068\u554f\u308f\u308c\u308c\u3070\u3001SSR \u3067\u3059\uff08\u3082\u3057\u304f\u306f\u3001Hybrid Rendering\uff09\u3002\u305f\u3060\u3057 SSR \u3067\u306f\u901a\u5e38\u306f\u3001JS \u306e\u30b3\u30fc\u30c9\u306e\u5909\u66f4\u304c\u5fc5\u8981\u3067\u3059\u3002\u4e00\u65b9\u3001\u30c0\u30a4\u30ca\u30df\u30c3\u30af\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306f\u30b3\u30fc\u30c9\u305d\u306e\u3082\u306e\u306e\u5909\u66f4\u306f\u4e0d\u8981\u3067\u3059\u3002\u3053\u306e\u3042\u305f\u308a\u306f\u3001\u307e\u305f\u5225\u306e\u8a18\u4e8b\u3067\u8aac\u660e\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<h2>Lazyload \u306e polyfill \u306f\u3082\u3046\u4e0d\u8981\uff1f<\/h2>\n<p>\u4ee5\u524d\u306e WRS \u306f <code>IntersectionObserver<\/code> \u3092\u30b5\u30dd\u30fc\u30c8\u3057\u306a\u304b\u3063\u305f\u305f\u3081\u3001Lazyload \u3067\u9045\u5ef6\u8aad\u307f\u8fbc\u307f\u3055\u305b\u308b\u753b\u50cf\u3092\u8a8d\u8b58\u3067\u304d\u308b\u3088\u3046\u306b polyfill \u3092\u69cb\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3057\u305f\u3002<br \/>\u4e00\u65b9\u3001\u65b0\u3057\u3044 WRS \u306f <code>IntersectionObserver<\/code> \u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/p>\n<p>Google \u691c\u7d22\u306b\u9650\u3063\u3066\u8a00\u3048\u3070\u3001Lazyload \u753b\u50cf\u306b polyfill \u306f\u4e0d\u8981\u3067\u3059\u3002<\/p>\n<p class=\"p40-b\">\u3057\u304b\u3057\u3053\u308c\u3082 SSR \u3084\u30c0\u30a4\u30ca\u30df\u30c3\u30af \u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3068\u540c\u69d8\u306b <code>IntersectionObserver<\/code> \u3092\u30b5\u30dd\u30fc\u30c8\u3057\u306a\u3044\u30af\u30ed\u30fc\u30e9\u306e\u305f\u3081\u306b\u69cb\u6210\u3057\u305f\u307b\u3046\u304c\u3044\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<br \/>\u307e\u305f <code>IntersectionObserver<\/code> \u3092\u30b5\u30dd\u30fc\u30c8\u3057\u306a\u3044\u30ec\u30ac\u30b7\u30fc \u30d6\u30e9\u30a6\u30b6\u304b\u3089\u306e\u30a2\u30af\u30bb\u30b9\u304c\u4f9d\u7136\u3068\u3057\u3066\u591a\u3044\u30b5\u30a4\u30c8\u3067\u306f\u3084\u306f\u308a\u5fc5\u8981\u3067\u3057\u3087\u3046\u3002 <\/p>\n<h2>\u691c\u7d22\u7d50\u679c\u306b\u5f71\u97ff\u306a\u3057<\/h2>\n<p>\u3055\u3066\u3001WRS \u304c\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u305f\u3053\u3068\u3067\u691c\u7d22\u7d50\u679c\u306b\u4f55\u3089\u304b\u306e\u60aa\u5f71\u97ff\u304c\u51fa\u308b\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u5fc3\u914d\u3059\u308b\u4eba\u3082\u3044\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n<p>\u305d\u306e\u5fc3\u914d\u306f\u306a\u3044\u3068\u601d\u308f\u308c\u307e\u3059\u3002<\/p>\n<p>\u4f55\u306e\u691c\u8a3c\u3082\u306a\u3057\u306b Google \u306f WRS \u3092\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u305f\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br \/><a href=\"https:\/\/www.suzukikenichi.com\/blog\/google-experimenting-updated-web-rendering-service\/\">\u65b0\u3057\u3044 WRS \u3092 Google \u304c\u30c6\u30b9\u30c8<\/a>\u3057\u3066\u3044\u308b\u3053\u3068\u304c 4 \u6708\u306b\u308f\u304b\u308a\u307e\u3057\u305f\u3002<br \/>\u50d5\u304c\u77e5\u308b\u9650\u308a\u3067\u306f\u3001\u5c11\u306a\u304f\u3068\u3082 3 \u6708\u4ee5\u524d\u304b\u3089\u3001\u4e00\u90e8\u306e\u691c\u7d22\u7d50\u679c\u3092\u5bfe\u8c61\u306b Google \u306f\u30c6\u30b9\u30c8\u3092\u5b9f\u884c\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u614e\u91cd\u306a\u30c6\u30b9\u30c8\u3068\u691c\u8a3c\u3092\u91cd\u306d\u3066\u554f\u984c\u304c\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3067\u304d\u305f\u306e\u3067\u6b63\u5f0f\u306b WRS \u3092\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u305f\u306e\u3067\u3059\u3002<\/p>\n<p>\u3082\u3057\u4e07\u304c\u4e00\u3001WRS \u304c\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u305f\u3053\u3068\u304c\u539f\u56e0\u3067\u554f\u984c\u304c\u767a\u751f\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u7591\u308f\u308c\u308b\u306a\u3089\u3001<a href=\"https:\/\/twitter.com\/googlewmc\">Twitter<\/a> \u304b<a href=\"https:\/\/support.google.com\/webmasters\/community?hl=ja\">\u30d8\u30eb\u30d7\u30b3\u30df\u30e5\u30cb\u30c6\u30a3<\/a>\u307e\u305f\u306f<a href=\"https:\/\/docs.google.com\/forms\/d\/e\/1FAIpQLSfzivPLhLgAH5hF1848OL6ATTvt9wCvpPGVwTrjJ8sRnXuPJQ\/viewform\">\u30aa\u30d5\u30a3\u30b9\u30a2\u30ef\u30fc<\/a>\u3067\u76f8\u8ac7\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<p>\u554f\u984c\u304c\u8d77\u304d\u3066\u3044\u306a\u3044\u5834\u5408\u3067\u3001\u30b5\u30a4\u30c8\u5074\u3067\u306a\u3093\u3089\u304b\u306e\u5bfe\u5fdc\u304c\u5fc5\u8981\u304b\u3069\u3046\u304b\u306f\u72b6\u6cc1\u306b\u3088\u308a\u307e\u3059\u3002<br \/>\u4f55\u3082\u5909\u66f4\u304c\u5fc5\u8981\u306a\u3044\u304b\u3082\u3057\u308c\u306a\u3044\u3057\u3001Google \u3060\u3051\u3092\u91cd\u8981\u8996\u3057\u3066\u3044\u308b\u306a\u3089\u30c0\u30a4\u30ca\u30df\u30c3\u30af \u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3084 pollyfil \u306f\u3082\u3046\u4f7f\u308f\u306a\u3044\u3068\u3044\u3046\u5224\u65ad\u3082\u3067\u304d\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n<p class=\"p60-b\">\u3044\u305a\u308c\u306b\u3057\u3066\u3082\u3001WRS 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